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quotient is u

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by sanju09 » Fri May 29, 2009 1:24 am
When the integer n is divided by 2, the quotient is u and the remainder is 1. When the integer n is divided by 5, the quotient is v and the remainder is 3. Which one of the following must be true?

(A) 2 u + 5 v = 4
(B) 2 u - 5 v = 2
(C) 4 u + 5 v = 2
(D) 4 u - 5 v = 2
(E) 3 u - 5 v = 2
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Source: — Problem Solving |

by scoobydooby » Fri May 29, 2009 3:08 am
n=2u+1. also n=5v+3
equating 2u-5v=2

hence, B
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